Tiff’s Treats opened its first San Marcos location July 29 at 200 Springtown Way. The store, located on the ground floor of The Lyndon, will host a grand opening celebration Aug. 24 by offering cookies for $5 per dozen, along with other giveaways. Proceeds from the grand opening benefit Hays County Food Bank. 512-957-0704. www.cookiedelivery.com